Patents by Inventor Lars Madsen

Lars Madsen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12250026
    Abstract: A photon-number resolving (PNR) method and system are described. A PNR detector is calibrated to generate a characteristic pulse plot for each of a plurality of unique photon numbers. A generic tail portion is also stored. A signal is then detected through the PNR detector. The signal includes at least a first pulse and a second pulse, where the second pulse at least partially overlaps with the first pulse. The first photon number of the first pulse may be determined. Then, the characteristic pulse plot that corresponds to the first photon number is subtracted from the first pulse, such that the second photon number of the second pulse may be determined with minimized interference from any signal overlap. The generic tail portion may be scaled and subtracted from any identified stray events to minimize interference of stray signals from unintended light sources.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: March 11, 2025
    Assignee: XANADU QUANTUM TECHNOLOGIES INC.
    Inventors: Lars Madsen, Fabian Laudenbach, Jonathan Lavoie
  • Publication number: 20250015790
    Abstract: There is described a device and method for utilizing an integrated multiplexer to perform additional functionalities other than signal routing using one or more interleaved input signals. Each interleaved signal includes a data signal interleaved with a proxy signal. In between routing operations of the data signal, the proxy signal from each interleaved signal can be routed to perform phase locking and/or switch bias locking. The routed proxy signal can be interfered with a global reference signal to produce a beat signal, the phase of which can be used to generate a feedback signal to maintain a desired phase relation between the data signal and the global reference signal. The signal strength of the routed proxy signal can also be detected so that a dithering technique may be used to adjust a bias voltage to the MUX switch to maintain an optimal operating state.
    Type: Application
    Filed: July 4, 2024
    Publication date: January 9, 2025
    Inventors: Matthew SEYMOUR, Dylan MAHLER, Leonhard NEUHAUS, Yanbing ZHANG, Mohsen FALAMARZI ASKARANI, Jonathan LAVOIE, Xiruo YAN, Lars MADSEN
  • Publication number: 20230198632
    Abstract: A photon-number resolving (PNR) method and system are described. A PNR detector is calibrated to generate a characteristic pulse plot for each of a plurality of unique photon numbers. A generic tail portion is also stored. A signal is then detected through the PNR detector. The signal includes at least a first pulse and a second pulse, where the second pulse at least partially overlaps with the first pulse. The first photon number of the first pulse may be determined. Then, the characteristic pulse plot that corresponds to the first photon number is subtracted from the first pulse, such that the second photon number of the second pulse may be determined with minimized interference from any signal overlap. The generic tail portion may be scaled and subtracted from any identified stray events to minimize interference of stray signals from unintended light sources.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 22, 2023
    Inventors: Lars MADSEN, Fabian LAUDENBACH, Jonathan LAVOIE
  • Publication number: 20070027205
    Abstract: This invention relates to novel compounds useful as potassium channel modulators. More specifically the invention provides chemical compounds useful as modulators of SKCa and/or IKCa channels.
    Type: Application
    Filed: June 30, 2004
    Publication date: February 1, 2007
    Inventors: Joachim Demnitz, Dorte Stobaek, Lars Madsen, Soren Olesen
  • Publication number: 20050250832
    Abstract: The present invention provides novel benzimidazol-2-one derivatives useful as therapeutic agents.
    Type: Application
    Filed: June 17, 2003
    Publication date: November 10, 2005
    Inventors: Lars Madsen, Camilla Baek, Annette Lauridsen, Soren Olesen
  • Publication number: 20050080112
    Abstract: The present invention relates to the use certain compounds for the treatment, prevention or alleviation of a disorder or disease of a subject, which disorder or disease is responsive to modulation of the mast cell or basophil activity of such a subject.
    Type: Application
    Filed: June 20, 2002
    Publication date: April 14, 2005
    Inventors: Lars Madsen, Bjarne Dahl